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semiconductor technical data micropower undervoltage sensing circuits order this document by mc34164/d mc34164d3 device operating temperature range package ordering information t a = 0 to +70 c so8 t a = 40 to +125 c mc34164d5 mc34164dm3 mc34164dm5 mc33164d3 mc33164d5 mc33164dm3 mc33164dm5 micro8 so8 micro8 p suffix plastic package case 29 (to226aa) 1 2 d suffix plastic package case 751 (so8) 3 pin 1. reset 2. input 3. ground 8 1 (top view) 3 1 n.c. ground n.c. n.c. 2 4 8 7 6 5 n.c. n.c. input reset dm suffix plastic package case 846a (micro8) 8 1 mc34164p3 mc34164p5 to226aa mc33164p3 mc33164p5 to226aa 1 motorola analog ic device data
the mc34164 series are undervoltage sensing circuits specifically designed for use as reset controllers in portable microprocessor based systems where extended battery life is required. these devices offer the designer an economical solution for low voltage detection with a single external resistor. the mc34164 series features a bandgap reference, a comparator with precise thresholds and builtin hysteresis to prevent erratic reset operation, an open collector reset output capable of sinking in excess of 6.0 ma, and guaranteed operation down to 1.0 v input with extremely low standby current. these devices are packaged in 3pin to226aa, 8pin so8 and micro8 surface mount packages. applications include direct monitoring of the 3.0 or 5.0 v mpu/logic power supply used in appliance, automotive, consumer, and industrial equipment. ? temperature compensated reference ? monitors 3.0 v (mc341643) or 5.0 v (mc341645) power supplies ? precise comparator thresholds guaranteed over temperature ? comparator hysteresis prevents erratic reset ? reset output capable of sinking in excess of 6.0 ma ? internal clamp diode for discharging delay capacitor ? guaranteed reset operation with 1.0 v input ? extremely low standby current: as low as 9.0 m a ? economical to226aa, so8 and micro8 surface mount packages representative block diagram 1.2 v ref 2 (2) 1 (1) 3 (4) reset gnd input = sink only positive true logic pin numbers adjacent to terminals are for the 3pin to226aa package. pin numbers in parenthesis are for the 8lead packages. this device contains 28 active transistors. ? motorola, inc. 1996 rev 1
mc34164 mc33164 2 motorola analog ic device data maximum ratings rating symbol value unit power input supply voltage v in 1.0 to 12 v reset output voltage v o 1.0 to 12 v reset output sink current i sink internally limited ma clamp diode forward current, pin 1 to 2 (note 1) i f 100 ma power dissipation and thermal characteristics p suffix, plastic package maximum power dissipation @ t a = 25 c thermal resistance, junctiontoair d suffix, plastic package maximum power dissipation @ t a = 25 c thermal resistance, junctiontoair dm suffix, plastic package maximum power dissipation @ t a = 25 c thermal resistance, junctiontoair p d r q ja p d r q ja p d r q ja 700 178 700 178 520 240 mw c/w mw c/w mw c/w operating junction temperature t j +150 c operating ambient temperature range mc34164 series mc33164 series t a 0 to +70 40 to + 85 c storage temperature range t stg 65 to +150 c note: esd data available upon request. mc341643, mc331643 series electrical characteristics (for typical values t a = 25 c, for min/max values t a is the operating ambient temperature range that applies [notes 2 & 3], unless otherwise noted.) characteristic symbol min typ max unit comparator threshold voltage high state output (v in increasing) low state output (v in decreasing) hysteresis (i sink = 100 m a) v ih v il v h 2.55 2.55 0.03 2.71 2.65 0.06 2.80 2.80 v reset output output sink saturation (v in = 2.4 v, i sink = 1.0 ma) (v in = 1.0 v, i sink = 0.25 ma) v ol 0.14 0.1 0.4 0.3 v output sink current (v in , reset = 2.4 v) i sink 6.0 12 30 ma output offstate leakage (v in , reset = 3.0 v) (v in , reset = 10 v) i r (leak) 0.02 0.02 0.5 1.0 m a clamp diode forward voltage, pin 1 to 2 (i f = 5.0 ma) v f 6.0 0.9 1.2 v total device operating input voltage range v in 1.0 to 10 v quiescent input current v in = 3.0 v v in = 6.0 v i in 9.0 24 15 40 m a notes: 1. maximum package power dissipation limits must be observed. 2. low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 3. t low = 0 c for mc34164 t high =+70 c for mc34164 3. t low = 40 c for mc33164 t high =+85 c for mc33164
mc34164 mc33164 3 motorola analog ic device data mc341645, mc331645 series electrical characteristics (for typical values t a = 25 c, for min/max values t a is the operating ambient temperature range that applies [notes 2 & 3], unless otherwise noted.) characteristic symbol min typ max unit comparator threshold voltage high state output (v in increasing) low state output (v in decreasing) hysteresis (i sink = 100 m a) v ih v il v h 4.15 4.15 0.02 4.33 4.27 0.09 4.45 4.45 v reset output output sink saturation (v in = 4.0 v, i sink = 1.0 ma) (v in = 1.0 v, i sink = 0.25 ma) v ol 0.14 0.1 0.4 0.3 v output sink current (v in , reset = 4.0 v) i sink 7.0 20 50 ma output offstate leakage (v in , reset = 5.0 v) (v in , reset = 10 v) i r (leak) 0.02 0.02 0.5 2.0 m a clamp diode forward voltage, pin 1 to 2 (i f = 5.0 ma) v f 0.6 0.9 1.2 v total device operating input voltage range v in 1.0 to 10 v quiescent input current v in = 5.0 v v in = 10 v i in 12 32 20 50 m a notes: 2. low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible. 3. t low = 0 c for mc34164 t high =+70 c for mc34164 3. t low = 40 c for mc33164 t high =+85 c for mc33164 0 v in , input voltage (v) r l = 82 k to v in t a = 25 c 2.0 4.0 6.0 8.0 10 v o , output voltage (v) figure 1. mc3x1643 reset output voltage versus input voltage 0 v in , input voltage (v) figure 2. mc3x1645 reset output voltage versus input voltage r l = 82 k to v in t a = 25 c 2.0 4.0 6.0 8.0 10 v o , output voltage (v) 10 8.0 6.0 4.0 2.0 0 10 8.0 6.0 4.0 2.0 0
mc34164 mc33164 4 motorola analog ic device data i in , input current ( a) m v in , threshold voltage (v) v o , output voltage (v) figure 3. mc3x1643 reset output voltage versus input voltage 50 t a , ambient temperature ( c) 25 0 25 50 75 100 125 v in , threshold voltage (v) upper threshold high state output lower threshold low state output figure 4. mc3x1645 reset output voltage versus input voltage 4.22 v in , input voltage (v) 4.26 4.30 4.34 4.3 8 figure 5. mc3x1643 comparator threshold voltage versus temperature figure 6. mc3x1645 comparator threshold voltage versus temperature figure 7. mc3x1643 input current versus input voltage v o , output voltage (v) figure 8. mc3x1645 input current versus input voltage 2.62 v in , input voltage (v) r l = 82 k to v in t a = 25 c 2.66 2.70 2.74 2.78 50 t a , ambient temperature ( c) 25 0 25 50 75 100 125 upper threshold high state output lower threshold low state output v in , input voltage (v) 2.0 4.0 6.0 8.0 10 t a = 0 c t a = 70 c i in , input current ( a) m 0 v in , input voltage (v) 2.0 4.0 6.0 8.0 10 r l = 82 k to v in t a = 25 c 4.36 4.32 4.28 4.24 4.20 5.0 4.0 3.0 2.0 1.0 0 5.0 4.0 3.0 2.0 1.0 0 2.76 2.72 2.68 2.64 2.60 50 40 30 20 10 0 0 50 40 30 20 10 0 t a = 25 c t a = 0 c t a = 70 c t a = 25 c
mc34164 mc33164 5 motorola analog ic device data t a = 0 c v ol , output saturation (v) 0 i sink , sink current (ma) 4.0 8.0 12 16 20 t a = 70 c t a = 0 c v in , reset = 4 v figure 9. mc3x1643 reset output saturation versus sink current figure 10. mc3x1645 reset output saturation versus sink current figure 11. clamp diode forward current versus voltage v ol , output saturation (v) figure 12. reset delay time (mc3x1645 shown) 0 v sink , sink current (ma) 4.0 8.0 12 16 , forward voltage (v) 0.4 0.8 1.2 1.6 i f , forward current (ma) 20 t a = 25 c figure 13. low voltage microprocessor reset power supply 1.2 v ref microprocessor circuit 2 (2) r 1 (1) 3 (4) reset c dly a time delayed reset can be accomplished with the addition of c dly . for systems with extremely fast power supply rise times (< 500 ns) it is recommended that the rcdly time constant be greater than 5.0 m s. v th(mpu) is the microprocessor reset input threshold. t dly = r cdly in 1 v th(mpu) 1 v in t a = 25 c t a = 0 c t a = 70 c t a = 25 c v in = 0 v t a = 25 c v f v in = 2.4 v t a = 70 c t a = 0 c t a = 25 c reset v in v in = 5.0 v to 4.0 v r l = 43 k t a = 25 c reset v in 5.0v 4.0v ref 43k 90% 5.0 v 4.0 v 5.0 m s/div 10 % 4.0 3.0 2.0 1.0 0 4.0 3.0 2.0 1.0 0 32 24 16 8.0 0 0 t a = 70 c
mc34164 mc33164 6 motorola analog ic device data figure 14. low voltage microprocessor reset with additional hysteresis (mc3x1645 shown) power supply 1.2 v ref microprocessor circuit 2 (2) r l 1 (1) 3 (4) reset comparator hysteresis can be increased with the addition of resistor r h . the hysteresis equation has been simplified and does not account for the change of input current i in as v in crosses the comparator threshold (figure 8). an increase of the lower threshold d v th(lower) will be observed due to i in which is typically 10 m a at 4.3 v. the equations are accurate to 10% with r h less than 1.0 k w and r l between 4.3 k w and 43 k w . v h 4.3 r h r h mc3x1645 i in v in test data v h (mv) d v th (mv) r h ( w ) r l (k w ) 60 103 123 160 155 199 280 262 306 357 421 530 0 1.0 1.0 1.0 2.2 2.2 2.2 4.7 4.7 4.7 4.7 4.7 0 100 100 100 220 220 220 470 470 470 470 470 43 10 6.8 4.3 10 6.8 4.3 10 8.2 6.8 5.6 4.3 r l + 0.06 d v th(lower) 10 r h x 10 6 where: r h 1.0 k w 43 k w r l 4.3 k w figure 15. voltage monitor figure 16. solar powered battery charger figure 17. mosfet low voltage gate drive protection using the mc3x1645 1.2 v ref 2 (2) 270 1 (1) 3 (4) power supply 1.2 v ref 2 (2) 1.0 k 1 (1) 3 (4) 1.2 v ref 2 (2) 1 (1) 3 (4) solar cells r l mtp3055el mc3x1645 v cc 4.3v overheating of the logic level power mosfet due to insufficient gate voltage can be prevented with the above circuit. when the input signal is below the 4.3 v threshold of the mc3x1645, its output grounds the gate of the l 2 mosfet.
mc34164 mc33164 7 motorola analog ic device data p suffix plastic package case 2904 (to226aa) issue ad d suffix plastic package case 75105 (so8) issue p notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. contour of package beyond dimension r is uncontrolled. 4. dimension f applies between p and l. dimension d and j apply between l and k minimum. lead dimension is uncontrolled in p and beyond dimension k minimum. r a p j l f b k g h section xx c v d n n xx seating plane dim min max min max millimeters inches a 0.175 0.205 4.45 5.20 b 0.170 0.210 4.32 5.33 c 0.125 0.165 3.18 4.19 d 0.016 0.022 0.41 0.55 f 0.016 0.019 0.41 0.48 g 0.045 0.055 1.15 1.39 h 0.095 0.105 2.42 2.66 j 0.015 0.020 0.39 0.50 k 0.500 12.70 l 0.250 6.35 n 0.080 0.105 2.04 2.66 p 0.100 2.54 r 0.115 2.93 v 0.135 3.43 1 seating plane 1 4 5 8 c k 4x p a 0.25 (0.010) m tb ss 0.25 (0.010) m b m 8x d r m j x 45 f a b t dim min max millimeters a 4.80 5.00 b 3.80 4.00 c 1.35 1.75 d 0.35 0.49 f 0.40 1.25 g 1.27 bsc j 0.18 0.25 k 0.10 0.25 m 0 7 p 5.80 6.20 r 0.25 0.50 g notes: 1. dimensions a and b are datums and t is a datum surface. 2. dimensioning and tolerancing per ansi y14.5m, 1982. 3. dimensions are in millimeter. 4. dimension a and b do not include mold protrusion. 5. maximum mold protrusion 0.15 per side. 6. dimension d does not include mold protrusion. allowable dambar protrusion shall be 0.127 total in excess of the d dimension at maximum material condition. outline dimensions
mc34164 mc33164 8 motorola analog ic device data dm suffix plastic package case 846a02 (micro8) issue b s b m 0.08 (0.003) a s t dim min max min max inches millimeters a 2.90 3.10 0.114 0.122 b 2.90 3.10 0.114 0.122 c 1.10 0.043 d 0.25 0.40 0.010 0.016 g 0.65 bsc 0.026 bsc h 0.05 0.15 0.002 0.006 j 0.13 0.23 0.005 0.009 k 4.75 5.05 0.187 0.199 l 0.40 0.70 0.016 0.028 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimension a does not include mold flash, protrusions or gate burrs. mold flash, protrusions or gate burrs shall not exceed 0.15 (0.006) per side. 4. dimension d does not include interlead flash or protrusion. interlead flash or protrusion shall not exceed 0.25 (0.010) per side. b a d k g pin 1 id 8 pl 0.038 (0.0015) t seating plane c h j l outline dimensions motorola reserves the right to make changes without further notice to any products herein. motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. atypicalo parameters which may be provided in motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including atypicalso must be validated for each customer application by customer's technical experts. motorola does not convey any license under its patent rights nor the rights of others. motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the motorola product could create a situation where personal injury or death may occur. should buyer purchase or use motorola products for any such unintended or unauthorized application, buyer shall indemnify and hold motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that motorola was negligent regarding the design or manufacture of the part. motorola and are registered trademarks of motorola, inc. motorola, inc. is an equal opportunity/affirmative action employer. how to reach us: usa / europe / locations not listed : motorola literature distribution; japan : nippon motorola ltd.; tatsumispdjldc, 6f seibubutsuryucenter, p.o. box 20912; phoenix, arizona 85036. 18004412447 or 6023035454 3142 tatsumi kotoku, tokyo 135, japan. 038135218315 mfax : rmfax0@email.sps.mot.com touchtone 6 022446609 asia / pacific : motorola semiconductors h.k. ltd.; 8b tai ping industrial park, internet : http://designnet.com 51 ting kok r oad, tai po, n.t., hong kong. 85226629298 mc34164/d ?
register | site index | contact us | home | china site press room sales & distribution about us quality trade shows investor relations employment products product catalog new products on/cherry products documentation selector guide on-line ordering models reliability data pcn samples search order status tech support product quick links associated documents item short desc size data sheet micropower undervoltage sensing circuit 157.8 kb pdf device mc33164 micropower undervoltage sensing circuit the mc34164 series are undervoltage sensing circuits specifically designed for use as reset controllers in portable microprocessor based systems where extended battery life is required. these devices offer the designer an economical solution for low voltage detection with a single external resistor. the mc34164 series features a bandgap reference, a comparator with precise thresholds and built-in hysteresis to prevent erratic reset operation, an open collector reset output capable of sinking in excess of 6.0 ma, and guaranteed operation down to 1.0 v input with extremely low standby current. these devices are packaged in 3-pin to-226aa, 8-pin so-8 and micro-8 surface mount packages. applications include direct monitoring of the 3.0 or 5.0 v mpu/logic power supply used in appliance, automotive,
applications include direct monitoring of the 3.0 or 5.0 v mpu/logic power supply used in appliance, automotive, consumer, and industrial equipment. features: l temperature compensated reference l monitors 3.0 v (mc34164 - 3) or 5.0 v (mc34164 - 5) power supplies l precise comparator thresholds guaranteed over temperature l comparator hysteresis prevents erratic reset l reset output capable of sinking in excess of 6.0 ma l internal clamp diode for discharging delay capacitor l guaranteed reset operation with 1.0 v input l extremely low standby current: as low as 9.0 a l economical to - 226aa, so - 8 and micro - 8 surface mount packages orderable parts action orderable part short desc. package desc. pin count case outline status price/unit pack qty n/a mc33164d - 3.3 micropower undervoltage sensing circuit n/a n/a n/a intro pending n/a mc33164-3.3r2 tape and reel n/a n/a n/a intro pend n/a mc33164d-4.6 micropower undervoltage sensing circuit n/a n/a n/a intro pending n/a mc33164d-4.6r2 tape and reel n/a n/a n/a intro pending n/a mc33164p-3.3 micropower undervoltage sensing circuit n/a n/a n/a intro pending n/a mc33164p-4.6 micropower undervoltage sensing n/a n/a n/a intro pending
sensing circuit n/a mc33164sn-5t1 tape and reel n/a n/a n/a active n/a mc33164p-3.3rp micropower undervoltage sensing circuit n/a n/a n/a intro pending n/a mc33164p-3ra micropower undervoltage sensing circuit to-92 (to- 226) 3 29-11 active $0.920 2000 n/a mc33164p-3rp micropower undervoltage sensing circuit to-92 (to- 226) 3 29-11 active $0.920 2000 n/a mc33164p-4.6ra micropower undervoltage sensing circuit n/a n/a n/a intro pending n/a mc33164p-4.6rp micropower undervoltage sensing circuit n/a n/a n/a intro pending n/a mc33164p-5ra micropower undervoltage sensing circuit to-92 (to- 226) 3 29-11 active $0.920 2000 n/a mc33164p-5rp micropower undervoltage sensing circuit to-92 (to- 226) 3 29-11 active $0.920 2000 n/a mc33164d-3r2 tape and reel soic 8 751-06 active $0.933 2500 n/a mc33164d-3 micropower undervoltage sensing soic 8 751-06 active
sensing circuit n/a mc33164d-5r2 tape and reel soic 8 751-06 active $0.933 2500 n/a mc33164d-5 micropower undervoltage sensing circuit soic 8 751-06 active n/a mc33164dm-3r2 tape and reel micro-8 8 846a-02 active n/a mc33164dm-5r2 tape and reel micro-8 8 846a-02 active n/a mc33164p-3 micropower undervoltage sensing circuit to-92 (to- 226) 3 29-11 active n/a mc33164p-5 micropower undervoltage sensing circuit to-92 (to- 226) 3 29-11 active n/a mc33164p - 3.3ra micropower undervoltage sensing circuit n/a n/a n/a intro pending register | site index | contact us | home | china site products | press room | sales | about | investor | employment ? semiconductor components industries, l.l.c., 1999, 2000. all rights reserved. terms of use.

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